"We are aware of the incident involving Jabari Bird and are taking it very seriously," the statement read. "We are actively gathering information and will reserve further comment at this time."

A native of Walnut Creek, CA, Bird was a second-round pick in the 2017 NBA Draft out of Cal. He appeared in 13 games with the Celtics last season, spending the majority of his year with the Maine Red Claws of the G-League.